Recently, Dr. Xuewu Zhou, deputy chief of pediatric surgery at our hospital, successfully performed autologous splenic omentum implantation for a 2-year-old boy whose spleen was ruptured due to a car accident, enabling the patient to regain the immune function of the spleen. In mid-June, when his parents were not paying attention, 2-year-old Sugar Boy “started” the family’s electric tricycle by himself and was squeezed between the tricycle and the wall, and was then rushed to our hospital. “ According to Dr. Xuewu Zhou, the previous treatment principle for this case was to quickly remove the spleen to stop the bleeding, but considering the patient’s young age, the spleen is the largest peripheral lymph-like organ in the body, with hematopoietic and blood filtering functions, and is also an important site for lymphocyte migration and immune response after receiving antigenic stimulation, producing immune effect molecules. The immunity of children under 5 years of age is reduced, which can lead to outbreaks of infections. In recent years, the medical community has gradually realized the significant immune function of the spleen, and some hospitals have adopted the method of autologous splenic tissue transplantation of the greater omentum to allow patients to regain the immune function of the spleen. Based on the successful experience of similar surgeries in the past, Dr. Xuewu Zhou decided to perform “splenectomy + partial spleen transplantation” on 2-year-old Sugarbaby, in which the patient’s own undamaged spleen was sliced and fixed on the body’s omentum. Zhou Xuewu, with the cooperation of his assistant Xi Qi, removed the patient’s damaged spleen and cleaned it in saline, cut the intact spleen tissue into several 1cm x 1cm x 0.2cm slices, and then sutured these spleen slices in the epigastric large omentum sandwich. After careful care by the medical staff, one week after the operation, ultrasound examination showed that the transplanted spleen slices of Sugar Bowl were gradually becoming viable and performing normal physiological functions. The recovery and discharge of this case marked the success of autologous spleen transplantation in our pediatric surgery department.